Abstract
Shape memory alloy (SMA) thermomechanical actuators exhibit an hysteretic strain versus temperature characteristics. A mathematical model to describe this hysteretic characteristics is proposed. This model is an adaptation of the L2P hysteresis model developed originally for magnetic hyster esis and adapted to thermal hyster esis in V O2 thin films. The procedure for estimation of the model parameters is outlined. The effectiveness of the model is verified against the experimental strain versus temperature characteristics of NiTi wire, obtained in the laboratory using a specially mounted characterization platform employing electrical heating of the SMA wire.
| Original language | English |
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| Pages | 860-864 |
| Number of pages | 5 |
| State | Published - 2003 |
| Externally published | Yes |
| Event | Proceedings of the 20th IEEE Information and Measurement Technology Conference - Vail, CO, United States Duration: 20 May 2003 → 22 May 2003 |
Conference
| Conference | Proceedings of the 20th IEEE Information and Measurement Technology Conference |
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| Country/Territory | United States |
| City | Vail, CO |
| Period | 20/05/03 → 22/05/03 |
Keywords
- L2P Hystersis Model; Hysteresis
- SMA Actuator
- Shape Memory Alloys